81212912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{461437}}^1$

素因数の和:461456

約数の個数: 20

約数和(自身を含む): 171654936

約数和(自身を除く): 90442024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 461437, 922874, 1845748, 3691496, 5075807, 7382992, 10151614, 20303228, 40606456, 81212912]

約数ペア:

[(1, 81212912), (2, 40606456), (4, 20303228), (8, 10151614), (11, 7382992), (16, 5075807), (22, 3691496), (44, 1845748), (88, 922874), (176, 461437)]